Listening stats: time listened per day, streak and finished audiobooks

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

abapi.js

@@ -46,7 +46,7 @@ async function direct(path, init = {}) {
 }
 
 // Listening positions kept by the hub (direct mode)
-const prog = require('./progress')('audiobook-progress.json'), progLoad = prog.load, progMerge = prog.merge;
+const prog = require('./progress')('audiobook-progress.json', 'audiobook'), progLoad = prog.load, progMerge = prog.merge;
 
 async function upstream(me, path, init = {}, retry = true) {
   if (OA) return direct(path, init);